In our work we examine a high-dimensional, massive flow data set around an airfoil using a topology-based vortex analysis. The 3D time-dependent flow depends on two additional parameters which are introduced by an active flow control technique aiming at increasing the lift by periodic blowing and suction. In particular, we study the influence of the actuation parameters frequency and intensity of air injection and show how our vortex analysis helps in understanding the underlying physics.


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